The Roomba, sold by iRobot, is a name used for a series of autonomous robot vacuum cleaners that were first introduced into the market it 2002. There have been four versions or generations of Roomba since its creation, with over eight million sales throughout the world. It is capable of moving on its own and avoiding obstacles that are present in the average household, as well as capable of avoiding stairs and other drop offs. It is equipped with a computer chip and the Roomba Open Interface,...

A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.